If your wooden cup is unusable, try treating it with linseed or tung oil. Beeswax is used to seal the cup to prevent the wood from drying out and warping.
Castor Oil
Linseed oil is a low-cost and simple solution for making a wooden cup drinkable. To make the coating completely watertight, many coatings will need to be applied. The product must be allowed to dry thoroughly before it can be used.
It's important to get rid of the surplus linseed oil before you begin using it. The use of a plastic bag is recommended for this purpose. A meticulous approach is required to protect the wood's grain. The wood could crack right down the middle if you aren't careful.
The flax plant is the source of the natural oil known as linseed oil. Because it comes from a harmless material, it is good for the planet. Unfortunately, not all linseed oils are created equal, and some of them may include solvents. You should opt for a substance that doesn't include chemicals if you're using it to make a wooden cup usable for drinking.
You'll need to let the wooden cup a few days to dry after applying oil to it. The drying period will vary based on the location and oil used to preserve the product. You should use a timer and monitor the progress.
Beeswax
To add a personal touch to your woodworking project, try using beeswax to make a wooden cup watertight. If you're looking for a chemical-free coating, go no further than this one. It improves the wood's appearance and natural properties.
Coffee or tea in a wooden cup sealed with beeswax is safe from spills and stains. Several ancient civilizations relied on this natural sealant. Furthermore, beeswax may be used to buff wood. With the appropriate supplies, this strategy becomes effective.
Linseed oil may also be used as a sealant while preparing a wooden cup. You may just brush this sort of sealant across your cup to make it airtight. On wood, it imparts a warm, golden hue. To achieve a waterproof finish, many coatings of this technique are required. It needs at least three days to dry before you can use it again.
Certain art supply stores may have linseed oil. You may get it at any drugstore.
Natural Gas
Mineral oil is not a suitable choice for making a wooden cup drinkable. To the contrary, it often causes harm. Little quantities of petroleum, which is harmful to humans, may be present.
The good news is that mineral oil isn't the only option. Tung oil and pure walnut oil are two examples of natural oils you might use. They're not only a fun way to customize your wooden coffee cup with some flair, but they also give a layer of protection.
Beeswax and mineral oil is yet another viable alternative. A good grade finish may be achieved on wood with this combination. Beeswax improves the oil's surface adhesion, while mineral oil offers substantial protection. Both are combined to form a pliable paste before being spread over the area.
The fact that this technique may be used several times is one of its many advantages. The finish should be reapplied once a month to keep it looking good. This coating will only look good for a limited time, so keep that in mind.
Coconut Oil
Making a wooden cup watertight with tung oil is a terrific option if you'd like to use it as a coffee mug. Tung oil may be used on a wide variety of woods to get a stunning, all-natural sheen.
Tung oil is extracted from the nut of an Asian tree of the same name. Tung oil comes from crushing this nut. It is a natural oil that is transparent in appearance and works well on many types of wood.
You must wait until the surface of your wooden cup is totally dry before applying tung oil. A clean cloth, paintbrush, or brush dabbed with tung oil can do the trick.
Tung oil should be used on both the exterior and interior of the wooden cup. Put some beeswax on the cup as well. This will prevent the tung oil from escaping and the cup from being harmed by hot liquids.